Characteristics:

The five armed common starfish may reach a diameter of 52 cm. This is one of the largest and most frequently encountered sea stars along the Norwegian coast. The color is usually orange, often with a purple tint. Different shades of brown is often seen as well. On the arms, most of the white spines are organized in 5-7 lines in the full arm length.

Habitat:

The common starfish are found in almost any habitat, on all depths down to 200 meters.